Physics Review: Chapters 1-5

The intensity of radiation on an object is reduced with distance because the radiation ___________.

Photons tend to interact with matter __________ their wavelength.

A moving object has ____________ energy.

Like charges _______ and unlike charges _______.

The biggest source of man-made ionizing radiation exposure to the public is 

The rotation of electrons on their axis is the property called ____________.

Variations in power distribution to the x-ray machine are corrected by the ____________.

The atomic number of an element is symbolized by the letter _____.

An atom in a normal state has an electrical charge of _______.

Gamma rays are produced in the ___________ of the atom.

Alternating current is produced by a ___________.

A step-down transformer is located in the _______ circuit. a. tube

The binding energies, or energy levels, of electrons are represented by their ___________.

Exposure is measured in units of ___________.

A diode allows electrons to flow from ___________.

What is Ohm’s law?

What does ALARA mean?

The formula E=mc2 is the basis for the theory that led to the development of 

In modern imaging systems, the components for rectification are ____________.

The three main parts of the x-ray imaging system are the x-ray tube, ____________, and ____________.

Electrical power is measured in _____.

The innermost electron shell is symbolized by the letter _____.

A single-phase waveform has _____ ripple.

The mAs timer is usually set to give the __________ mA at the _________ time.

The chemical element is determined by the number of __________ in the atom.

The diagnostic range of x-ray energy is _____________.

What is the velocity of all electromagnetic radiation?

When a group of dipoles are aligned, they create _________________.

The maximum number of electrons that can exist in an electron shell is calculated with the formula _____.

The smallest unit of electrical charge is the __________.

The operating console contains circuits that are ________________.

A positively charged nucleus surrounded by negatively charged electrons in well-defined orbits is the ___________ model

Atoms and molecules are the fundamental building blocks of 

The autotransformer has _____ winding(s).

On the surface of an electrified object, the charges concentrate on the __________.

The high voltage generator contains the high voltage transformer, the __________, and the ___________.

Energy is measured in

X-rays are usually identified by their __________.

Today, radiology is considered to be a(n) ___________ occupation.

When an atom has the same number of protons as another, but a different number of neutrons, it is called an __________.

The most accurate type of timer is the ________ timer.

The term “atom” was first used by the ___________.

The basic quantities measured in mechanics are ________, _________, and _________.

When atoms of various elements combine, they form __________.

The _________ circuit provides electrons for the x-ray tube current.

The lowest energy range of the electromagnetic spectrum is ____________.

The x-ray generator with the lowest power rating is the _____________ imaging system.

Rubber and glass are ___________.

What is the unit of electric potential?

Ionizing radiation is capable of removing ____________ from atoms as it passes through the matter.

Filtration is used to ____________________.

The difference in the waveform between the primary and secondary sides of the high voltage transformer is _________.

The automatic exposure control (AEC) terminates the exposure when ________________.

The step-up transformer increases voltage _________ times.

A neutral atom has the same number of _________ and electrons.

The first component to receive power in the x-ray circuit is the ______________.

With half-wave rectification, the current flows through the x-ray tube during the ________ part of the cycle.

Aluminum has an atomic number of 13. How many protons does it have?

The energy of x-rays is

The magnetic intensity of an electromagnet is greatly increased by the addition of a(n) __________ core.

An atom that loses or gains one or more electrons is a(n) ________.

The smallest quantity of any type of electromagnetic radiation is a(n) ________.

The _________ of electromagnetic radiation is constant.

Like magnetic poles ________ and unlike magnetic poles ________.

What is the removal of an electron from an atom called?

Radio waves, light, and x-rays are all examples of _________ energy.

The four properties of photons are ________, ________, ________ and ________.

The principal disadvantage of three-phase equipment is ______.

Voltage across the x-ray tube is most constant with _________________.

The charges on an electrified object are distributed __________.

The reduction of radiation intensity due to scattering and absorption is called _____.

Electrification occurs through the movement of ___________.

A charged particle in motion creates a(n) ______________.

What type of material can be made magnetic when placed in an external magnetic field?

The first person to describe an element as being composed of identical atoms was __________.

The energy of a photon is directly proportional to its ___________.

The __________ is the least penetrating form of ionizing radiation.

The periodic table of the elements was developed by __________ in the late 19th century.

Matter is measured in

Photons with the highest frequencies have the ____________.

The atomic number of molybdenum is 42 and the atomic mass number is 98. How many neutrons does it have?

What are the fundamental particles of an atom?

The rate of rise and fall of a sine wave is called its __________.

Water is a ___________ material.

The smallest particle that has all the properties of an element is a(n) __________.

An alternating (AC) current is represented by a __________ line.

What is the SI unit of magnetic field strength?

Full-wave rectified, three-phase units provide an x-ray beam at _____ pulse(es) per second.

A hertz (Hz) is equal to _____ cycle(s) per second.